About the Authors

James E. Haddow

jhaddow@ipmms.org

Affiliations Department of Pathology and Laboratory Medicine, Division of Medical Screening and Special Testing, Women and Infants Hospital and Alpert Medical School of Brown University, Providence, Rhode Island, United States of America, Savjani Institute for Health Research, Windham, Maine, United States of America

Wendy Y. Craig

Affiliation Maine Medical Center Research Institute, Scarborough, Maine, United States of America

Louis M. Neveux

Affiliations Department of Pathology and Laboratory Medicine, Division of Medical Screening and Special Testing, Women and Infants Hospital and Alpert Medical School of Brown University, Providence, Rhode Island, United States of America, Savjani Institute for Health Research, Windham, Maine, United States of America

Glenn E. Palomaki

Affiliations Department of Pathology and Laboratory Medicine, Division of Medical Screening and Special Testing, Women and Infants Hospital and Alpert Medical School of Brown University, Providence, Rhode Island, United States of America, Savjani Institute for Health Research, Windham, Maine, United States of America

Geralyn Lambert-Messerlian

Affiliation Department of Pathology and Laboratory Medicine, Division of Medical Screening and Special Testing, Women and Infants Hospital and Alpert Medical School of Brown University, Providence, Rhode Island, United States of America

Fergal D. Malone

Affiliations Department of Obstetrics & Gynecology, Division of Maternal-Fetal Medicine, University College of Physicians and Surgeons, New York, New York, United States of America, Department of Obstetrics & Gynecology, Royal College of Surgeons in Ireland, Dublin, Ireland, United Kingdom

Mary E. D’Alton

Affiliation Department of Obstetrics & Gynecology, Division of Maternal-Fetal Medicine, University College of Physicians and Surgeons, New York, New York, United States of America

First and Second Trimester Risk of Aneuploidy (FaSTER) Research Consortium

Membership of the First and Second Trimester Risk of Aneuploidy (FaSTER) Research Consortium is listed in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JEH. Analyzed the data: LMN GEP. Wrote the paper: JEH WYC LMN GEP GL-M FDM MED.